1879816 has 8 divisors (see below), whose sum is σ = 3524670. Its totient is φ = 939904.

The previous prime is 1879811. The next prime is 1879817. The reversal of 1879816 is 6189781.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 2916 = 1370^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1879811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117481 + ... + 117496.

2^1879816 is an apocalyptic number.

It is an amenable number.

1879816 is a deficient number, since it is larger than the sum of its proper divisors (1644854).

1879816 is a wasteful number, since it uses less digits than its factorization.

1879816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234983 (or 234979 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 1879816 is about 1371.0638205423. The cubic root of 1879816 is about 123.4160892523.

The spelling of 1879816 in words is "one million, eight hundred seventy-nine thousand, eight hundred sixteen".